Cheapest & Most Expensive Months To Book Flights To The UK

Planning a trip to the United Kingdom and wondering when flights are cheapest — and most expensive — to book? You’ve come to the right place!

Cheapest & Most Expensive Months To Book Flights To The UK

Most Expensive Time to Fly to the UK

Airfare to the UK is most expensive when school breaks, holidays, and cultural events fill the calendar.

  • June – August: Peak summer tourism in London, Scotland, and other cities; airfare is highest in July.
  • December – early January: Christmas and New Year’s make this one of the costliest periods.
  • April (Easter): Holiday demand raises fares.
  • Late May (Spring Bank Holiday): Domestic and European travelers drive demand.
  • August (Edinburgh Festival Fringe): Adds significant airfare pressure into Scotland.

Cheapest Months For Flights to the UK

The cheapest flights appear during the low and shoulder seasons when weather is less favorable and demand softens.

  • January – February: Cold winter months with lowest airfare.
  • March (pre-Easter): Affordable before spring holiday season.
  • September – November: Cheaper flights after summer crowds leave.
  • Early December (first half): Brief dip before holidays.

Price Summary Table for UK Flights

Time Period Price Level Why It Matters
June – Aug 💲💲💲 Highest Summer vacation demand
Mid-Dec – Early Jan 💲💲💲 Highest Christmas & New Year holidays
April (Easter) 💲💲 High Holiday demand
Late May (Bank Holiday) 💲💲 High Domestic/European holiday
Aug (Edinburgh Fringe) 💲💲 High Festival surge
Jan – Feb 💲 Lowest Winter lull
March (pre-Easter) 💲 Low Shoulder fares
Sept – Nov 💲 Low Post-summer shoulder
Early Dec (1st 2 weeks) 💲 Low Pre-Christmas dip

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